From e1cd7c94fb13f8e49667b17554d22ce8de627a2a Mon Sep 17 00:00:00 2001
From: かっこかり <67428053+kakkokari-gtyih@users.noreply.github.com>
Date: Sat, 10 May 2025 07:58:26 +0900
Subject: refactor(frontend): use* 関数の格納場所のフォルダ名を composables
 に変更 (#16004)
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* refactor(frontend): use* 関数の格納場所を正式名称（composables）に変更

* migrate

* move useLoading
---
 .../frontend/src/composables/use-chart-tooltip.ts  | 63 ++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 packages/frontend/src/composables/use-chart-tooltip.ts

(limited to 'packages/frontend/src/composables/use-chart-tooltip.ts')

diff --git a/packages/frontend/src/composables/use-chart-tooltip.ts b/packages/frontend/src/composables/use-chart-tooltip.ts
new file mode 100644
index 0000000000..bba64fc6ee
--- /dev/null
+++ b/packages/frontend/src/composables/use-chart-tooltip.ts
@@ -0,0 +1,63 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { onUnmounted, onDeactivated, ref } from 'vue';
+import * as os from '@/os.js';
+import MkChartTooltip from '@/components/MkChartTooltip.vue';
+
+export function useChartTooltip(opts: { position: 'top' | 'middle' } = { position: 'top' }) {
+	const tooltipShowing = ref(false);
+	const tooltipX = ref(0);
+	const tooltipY = ref(0);
+	const tooltipTitle = ref<string | null>(null);
+	const tooltipSeries = ref<{
+		backgroundColor: string;
+		borderColor: string;
+		text: string;
+	}[] | null>(null);
+	const { dispose: disposeTooltipComponent } = os.popup(MkChartTooltip, {
+		showing: tooltipShowing,
+		x: tooltipX,
+		y: tooltipY,
+		title: tooltipTitle,
+		series: tooltipSeries,
+	}, {});
+
+	onUnmounted(() => {
+		disposeTooltipComponent();
+	});
+
+	onDeactivated(() => {
+		tooltipShowing.value = false;
+	});
+
+	function handler(context) {
+		if (context.tooltip.opacity === 0) {
+			tooltipShowing.value = false;
+			return;
+		}
+
+		tooltipTitle.value = context.tooltip.title[0];
+		tooltipSeries.value = context.tooltip.body.map((b, i) => ({
+			backgroundColor: context.tooltip.labelColors[i].backgroundColor,
+			borderColor: context.tooltip.labelColors[i].borderColor,
+			text: b.lines[0],
+		}));
+
+		const rect = context.chart.canvas.getBoundingClientRect();
+
+		tooltipShowing.value = true;
+		tooltipX.value = rect.left + window.scrollX + context.tooltip.caretX;
+		if (opts.position === 'top') {
+			tooltipY.value = rect.top + window.scrollY;
+		} else if (opts.position === 'middle') {
+			tooltipY.value = rect.top + window.scrollY + context.tooltip.caretY;
+		}
+	}
+
+	return {
+		handler,
+	};
+}
-- 
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